English verb conjugation
COULD INTERLACE

Regular verb: interlace - interlaced - interlaced

Affirmation

Simple form	V-ing form
I could interlace you could interlace he could interlace we could interlace you could interlace they could interlace	I could be interlacing you could be interlacing he could be interlacing we could be interlacing you could be interlacing they could be interlacing
Perfect	V-ing perfect
I could have interlaced you could have interlaced he could have interlaced we could have interlaced you could have interlaced they could have interlaced	I could have been interlacing you could have been interlacing he could have been interlacing we could have been interlacing you could have been interlacing they could have been interlacing

Negation

Simple form	V-ing form
I could not interlace you could not interlace he could not interlace we could not interlace you could not interlace they could not interlace	I could not be interlacing you could not be interlacing he could not be interlacing we could not be interlacing you could not be interlacing they could not be interlacing
Perfect	V-ing perfect
I could not have interlaced you could not have interlaced he could not have interlaced we could not have interlaced you could not have interlaced they could not have interlaced	I could not have been interlacing you could not have been interlacing he could not have been interlacing we could not have been interlacing you could not have been interlacing they could not have been interlacing

Interrogative form

Simple form	V-ing form
could I interlace? could you interlace? could he interlace? could we interlace? could you interlace? could they interlace?	could I be interlacing? could you be interlacing? could he be interlacing? could we be interlacing? could you be interlacing? could they be interlacing?
Perfect	V-ing perfect
could I have interlaced? could you have interlaced? could he have interlaced? could we have interlaced? could you have interlaced? could they have interlaced?	could I have been interlacing? could you have been interlacing? could he have been interlacing? could we have been interlacing? could you have been interlacing? could they have been interlacing?

Interro-negative form

Simple form	V-ing form
could I not interlace? could you not interlace? could he not interlace? could we not interlace? could you not interlace? could they not interlace?	could I not be interlacing? could you not be interlacing? could he not be interlacing? could we not be interlacing? could you not be interlacing? could they not be interlacing?
Perfect	V-ing perfect
could I not have interlaced? could you not have interlaced? could he not have interlaced? could we not have interlaced? could you not have interlaced? could they not have interlaced?	could I not have been interlacing? could you not have been interlacing? could he not have been interlacing? could we not have been interlacing? could you not have been interlacing? could they not have been interlacing?